platelet-rich fibrin promotes periodontal regeneration and enhances alveolar bone augmentation
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2013
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Abstract
In the present study we have determined the suitability of platelet-rich fibrin (PRF) as a complex scaffold for periodontal tissue regeneration. Replacing PRF with its major component fibrin increased mineralization in alveolar bone progenitors when compared to periodontal progenitors, suggesting that fibrin played a substantial role in PRF-induced osteogenic lineage differentiation. Moreover, there was a 3.6-fold increase in the early osteoblast transcription factor RUNX2 and a 3.1-fold reduction of the mineralization inhibitor MGP as a result of PRF application in alveolar bone progenitors, a trend not observed in periodontal progenitors. Subcutaneous implantation studies revealed that PRF readily integrated with surrounding tissues and was partially replaced with collagen fibers 2 weeks after implantation. Finally, clinical pilot studies in human patients documented an approximately 5 mm elevation of alveolar bone height in tandem with oral mucosal wound healing. Together, these studies suggest that PRF enhances osteogenic lineage differentiation of alveolar bone progenitors more than of periodontal progenitors by augmenting osteoblast differentiation, RUNX2 expression, and mineralized nodule formation via its principal component fibrin. They also document that PRF functions as a complex regenerative scaffold promoting both tissue-specific alveolar bone augmentation and surrounding periodontal soft tissue regeneration via progenitor-specific mechanisms.
| Reference Key |
li2013biomedplatelet-rich
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|---|---|
| Authors | ;Qi Li;Shuang Pan;Smit J. Dangaria;Gokul Gopinathan;Antonia Kolokythas;Shunli Chu;Yajun Geng;Yanmin Zhou;Xianghong Luan |
| Journal | spectrochimica acta - part a: molecular and biomolecular spectroscopy |
| Year | 2013 |
| DOI |
10.1155/2013/638043
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| URL | |
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